Ender, Márcio, et al. “Inheritance of Harvest Index in Spring Wheat (<i>Triticuma Estivum L.< I>) Crosses With Different Plant Height”. Pesquisa Agropecuaria Brasileira, vol. 29, no. 9, Sept. 1994, pp. 1445-52, doi:10.1590/S1678-3921.pab1994.v29.4194.